[mythtv-users] Heat issues with USB ATSC tuners?

[Raymond Wagner]

On 8/30/2012 17:38, Robin Gilks wrote:
>
>> On 8/30/2012 15:16, rsh1k wrote:
>>> Even 500ma at 5v (2.5w) is significant to me - I'm trying to build the
>>> lowest power machine possible, and 7.5w for three tuners is almost as
>>> much as the whole rest of the system...
>>
>> This all really seems like far too much ado about nothing. Unless you're
>> talking about off-the-grid operation, electricity is cheap. For a piece
>> of hardware running all day, every day, it typically comes out to around
>> $1/W/yr.  Is a couple bucks really worth all the heartache you're
>> putting into planning such a low power device?
>
> Where do you live? Electricity is *NOT* cheap and prices rise on average
> at twice the rate of inflation. In 10 years when I have retired I don't
> expect to be able to afford what my consumption is now so anything to
> mitigate that use is worth looking into NOW.

The current US average is $0.135/kWh. One year at one watt is 8760kWh, 
or $1.18. Since you're in the UK, a quick search puts current rates at 
£0.137/kWh, meaning £1.20, or around $1.89.